![[Discontinued] SainSmart Leonardo R3 + LCD 1602 Keypad For Arduino Compatible](https://cdn.shopify.com/s/files/1/1978/9859/products/i.php_1_1.jpg?v=1499266377)
[Discontinued] SainSmart Leonardo R3 + LCD 1602 Keypad For Arduino Compatible
OverviewThis is SainSmart Leonardo R3 Kit , which is widely used for Arduino Fans and Starters, containning one SainSmart Leonardo R3 and one 1602 LCD Keypad Shield. SainSmart Leonardo R3 Improved Version: The SainSmart Leonardo R3 is a microcontroller board based on the ATmega32u4 . It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. Description Microcontroller ATmega32u4 Operating Voltage 5V Input Voltage (recommended) 7-12V Input Voltage (limits) 6-20V Digital I/O Pins 20 PWM Channels 7 Analog Input Channels 12 DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA Flash Memory 32 KB (ATmega32u4) of which 4 KB used by bootloader SRAM 2.5 KB (ATmega32u4) EEPROM 1 KB (ATmega32u4) Clock Speed 16 MHz SainSmart Keypad Shield 1602 LCD Module This is a 16x2 LCD Keypad module for Arduino Diecimila Duemilanove, UNO, Leonardo, MEGA2560 board. Blue Backlight with white words, adjustable backlighting. 4 Bit Arduino LCD Library 100% brand new and high quality Package List: 1. 1xSainSmart Leonardo R3 Board 2. 1XSainSmart LCD1602 Keypad Shield 3. 1x USB cable